MIL-STD-1553B is a command/response, time-multiplexed serial data bus with a 1 Mbps data rate. The bus contains a bus controller and up to 31 remote terminals. Actel says its Core1553BBC and Core1553BRT cores meet all requirements for dual-redundant bus operation.
As a leader in providing high reliability (HiRel) FPGA solutions, Actel developed flexible MIL-STD-1553B remote terminal (RT) and bus controller (BC) cores for use with its devices in high reliability applications. These solutions, when used with Actel radiation-tolerant devices, are said to be the only single-chip RadTolerant FPGA-based 1553B remote terminal and bus controller solutions available. Additionally, Core1553BRT and Core1553BBC are state-machine designs that are lower-power solutions than processor-based MILSTD- 1553B products.
These IP products are a programmable logic alternative to a limited number of 1553B choices that are currently available. They can be used in a variety of HiRel applications in which system redundancy is essential such as aircraft, spacecraft, military vehicles, and other severe environments. Core1553B products are fully verified by Actel and certified by Test Systems, an independent MIL-STD-1553B test house, as appropriate.
Core1553BRT is compatible with legacy remote terminal systems to preserve one's investment in existing systems and software code. Core1553BBC has similar functionality to other common bus control solutions, so modifying one's legacy software code is a simple task, says the company.
Unlike non-programmable MIL-STD-1553B approaches, Actel says that the flexible core-plus-silicon combination that it provides can be incorporated into the rest of the design quickly without the need for long design cycles, expensive NRE payments, respins, lost opportunity costs, increased design risk and market delays of unproven cores or IP development. Evaluation boards are available.
For more information contact Kobus van Rooyen, ASIC Design Services, 011 315 8316, [email protected]
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